Replicas - was Re: *** Ideas needed for developing interactive

[Peter C. Wallace]

On Mon, 13 Sep 2004, Paul Koning wrote:

> >>>>> "Peter" == Peter C Wallace <pcw at mesanet.com> writes:
>
>  Peter> On Sun, 12 Sep 2004, Ethan Dicks wrote:
>  >> On Sat, Sep 11, 2004 at 10:29:49PM -0600, Ben Franchuk wrote: > So
>  >> what about memory? Transistor too?  > A PDP-8/S would be a good
>  >> model to pick from. Note you need a lot of SMT > diodes resistors
>  >> too.
>  >>
>  >> There are approximately 1000 transistors in a PDP-8/S (plus lots
>  >> of diodes and resistors and the core stack).  Even with SMT,
>  >> that's a lot of square footage.
>  >>
>
>  Peter> Ignoring memory, I'm pretty sure could get 1000 transistors +
>  Peter> support parts/diodes on a 12x12" card. Doing the component
>  Peter> placement would be a pain however.
>
> Why?  A good light, magnifying glass or small stereo microscope, fine
> tip soldering iron, fine solder, and flux -- plus patience.  No sweat.
>
>     paul

Oh not so much assembly, though that would be a might bit tedious by hand,
what I was talking about was the first part of the PCB layout: Placement

>

Peter Wallace